Kotadiya, D.T., Patel, D.A. and Parmar, D.B. 2013. Retrospective Study Of ABO & Rh Blood Groups In Blood Donors At Dharpur: Retrospective Study Of ABO & Rh Blood Groups. National Journal of Integrated Research in Medicine. 4, 6 (Dec. 2013), 92–94. DOI:https://doi.org/10.70284/njirm.v4i6.2257.